Replacement Parts
BTC 439011301 A | 06.2021
Bosch Thermotechnology Corp.
4
Pos. Description Ordering no.
Distributor
Recommended
Stock
Contractor
Recommended
Stock
Remarks
200 Ignition transformer 7738007252
201 High limit switch 7738007253
202 Wire, High limit switch 7738007254
203 Electrode Cover 7738007255
204 Heat Exchanger 7738007256
205
Orifi ce NG 7738007257
Orifi ce LP 7738007258
206 Flame Rod Assembly 7738007259
207 Electrode Assembly 7738007260
208 Diaphagm Valve 7738007261
209 Fan 7738007262
210 Cover, Flame rod 7738007263
211 Valve, TDR solenoid 7738007264
212 Air Mixer 7738007265
213 Silencer 7738007266
214 Orifi ce Cover 7738007267
215 Exhaust Gas Temp Sensor 7738007268
216 Pipe, Gas outlet 7738007269
217 Valve, Gas 7738007270
218 Pipe, Gas inlet 7738007271
219 Pipe, Gas 7738007272
220 Trap, Condenstate 7738007273
225 Hose, Condensate 7738007274
511 Ø4X12 Tapping screw avail in kit, item 328 for individual pieces, source locally
512 Ø3.5X6 Tapping screw avail in kit, item 328 for individual pieces, source locally
513 Ø4X10 Tapping screw avail in kit, item 328 for individual pieces, source locally
514 M3*0.5p Screw avail in kit, item 328 for individual pieces, source locally
515 Ø4X8 Tapping screw (STS) avail in kit, item 328 for individual pieces, source locally
516 M4*0.7p(L=20)Screw+Washer avail in kit, item 328 for individual pieces, source locally
517 Ø4X18 Tapping screw (STS) avail in kit, item 328 for individual pieces, source locally
518 M4*8 Screw avail in kit, item 328 for individual pieces, source locally
519 M5*0.8p Screw avail in kit, item 328 for individual pieces, source locally
520 M5*0.8p*16 Screw avail in kit, item 328 for individual pieces, source locally
521 O-ring (Gas Nipple) avail in kit, item 327 for individual pieces, source locally
522 M4*0.7p Screw(L=10) avail in kit, item 328
for individual pieces, source locally
523 Ø4X8 Tapping screw avail in kit, item 328 for individual pieces, source locally
524 M4*14 Screw avail in kit, item 328 for individual pieces, source locally
525 M5*0.8p Screw avail in kit, item 328 for individual pieces, source locally
526 O-ring (Gas 3/4") avail in kit, item 327 for individual pieces, source locally
527 Heat Exchanger Brackets L and R if needed, replace 204 not available separately
529 Flame Rod Gasket if needed, replace 206 not available separately
530 Flame Rod Bracket if needed, replace 206 not available separately
531 Spark Plug Bracket if needed, replace 207 not available separately
532 Spark Plug Gasket if needed, replace 207 not available separately
533 Orifi ce Gasket avail in kit, item 327 for individual pieces, source locally
534 Condensate Trap Gasket if needed, replace 220 not available separately
Singular 4000 | Singular 5200
Flue Parts